CN113701807A

CN113701807A - Temperature and humidity recorder for refrigerator

Info

Publication number: CN113701807A
Application number: CN202110936169.8A
Authority: CN
Inventors: 杨永恒
Original assignee: Guangzhou Hanlong Technology Co ltd
Current assignee: Guangzhou Hanlong Technology Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2021-11-26

Abstract

The invention relates to a temperature and humidity recorder for a refrigerator, which comprises a main body, a detection head, a display screen, an auxiliary mechanism and a dust removal mechanism, the auxiliary mechanism comprises a sucker, a branch pipe, a power component, an inflation component and an air exhaust component, the dust removal mechanism comprises a transmission component and two rotating components, the humiture recorder for the refrigerating box can discharge the air in the sucker through the auxiliary mechanism, reduce the air pressure in the sucker, improve the effect that the sucker is adsorbed on the inner wall of the refrigerating box, avoid the phenomenon that the sucker leaks air due to the vibration of the refrigerating box when the refrigerating box is transported, thereby can improve equipment absorption stability on the fridge inner wall, the practicality is higher, through dust removal mechanism, has realized the purpose for detecting the head and remove dust, prevents that the dust from influencing the detection precision that detects the head to improve measuring precision, improved the reliability of equipment.

Description

Temperature and humidity recorder for refrigerator

Technical Field

The invention relates to the field of temperature and humidity recorders, in particular to a temperature and humidity recorder for a refrigerating box.

Background

The temperature and Humidity recorder (RS-WStemperature and Humidity Data Logger) is one of the temperature and Humidity meters in the temperature and Humidity measuring instrument. The temperature and humidity sensor has the functions of measuring temperature and humidity by a built-in temperature and humidity sensor or by connecting an external temperature and humidity sensor. The recorder is mainly used for monitoring and recording temperature and humidity data of products such as food, pharmaceuticals, chemical products and the like in the storage and transportation processes, and is widely applied to various links of storage and logistics cold chains, such as refrigerated containers, refrigerated trucks, refrigerated bags, refrigerators, laboratories and the like.

When current humiture record appearance is installing in the fridge, when transporting the fridge, the fridge can take place vibrations, thereby drive current humiture record appearance and take place vibrations, install the stability on the inner wall to current humiture record appearance and produce the influence, thereby increased the probability that equipment dropped, cause the damage of equipment, moreover, current humiture record appearance is at the during operation, the dust in the air is attached to on the detection head easily, thereby can exert an influence to the detection precision, the reliability of current humiture has been reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the temperature and humidity recorder for the refrigerating box is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a temperature and humidity recorder for a refrigerating box comprises a main body, a detection head and a display screen, wherein the display screen is arranged on one side of the main body, the detection head is arranged below the main body, a PLC is arranged in the main body, and the temperature and humidity recorder also comprises an auxiliary mechanism and a dust removal mechanism, wherein the auxiliary mechanism is connected with the dust removal mechanism;

the auxiliary mechanism comprises a sucker, a branch pipe, a power assembly, an inflation assembly and an air exhaust assembly, wherein an opening is formed in one side, far away from the display screen, of the main body, the sucker is matched with the opening, the sucker is connected with the inner wall of the opening, one end of the branch pipe is communicated with the sucker, the other end of the branch pipe is connected with the power assembly, the power assembly is connected with the inflation assembly, the inflation assembly is connected with the sucker, the inflation assembly is connected with the air exhaust assembly, the air exhaust assembly is connected with the branch pipe, and the power assembly is connected with the dust removal mechanism;

the air exhaust assembly comprises an air exhaust pipe, a pull plate, a telescopic pipe, a pull rod, a movable plate, an elastic rope, an exhaust pipe and a fixed block, a round hole is formed above the main body, one end of the air exhaust pipe is communicated with the branch pipe, the other end of the air exhaust pipe is connected with the inner wall of the round hole, the movable plate is arranged inside the air exhaust pipe, the movable plate is connected with the inner wall of the air exhaust pipe in a sealing and sliding manner, one end of the pull rod is connected with the upper portion of the movable plate, the other end of the pull rod is connected with the pull plate, the telescopic pipe is sleeved on the air exhaust pipe, the two ends of the telescopic pipe are respectively connected with the lower portion of the pull plate and the upper portion of the main body, the fixed block is arranged below the movable plate and connected with the inner wall of the air exhaust pipe, the two ends of the elastic rope are respectively connected with the lower portion of the movable plate and the fixed block, one end of the exhaust pipe is communicated with the air exhaust pipe, and the other end of the exhaust pipe is connected with the air inflation assembly, the exhaust pipe and the air exhaust pipe are respectively provided with a first one-way valve, and the first one-way valves are electrically connected with the PLC;

the dust removal mechanism comprises a transmission assembly and two rotating assemblies, the transmission assembly is connected with the rotating assemblies, and the transmission assembly is connected with the power assembly;

the rotating assembly comprises a first bearing, a rotating shaft, a first gear and a plurality of fan blades, two notches are arranged below the main body, the two rotating assemblies are arranged in the two notches respectively, the tops of the notches are provided with through holes, the outer rings of the two first bearings are connected with the inner walls of the two through holes respectively, one end of the rotating shaft is connected with the first gear, the first gear is connected with the transmission assembly, the other end of the rotating shaft penetrates through the through holes to be arranged in the notches, the fan blades are evenly arranged at the other end of the rotating shaft in the circumferential direction and are arranged in the notches, and the periphery of the rotating shaft is connected with the inner ring of the first bearing.

As preferred, in order to realize the function of bleeding for the sucking disc, power component includes inflator, piston, gas pole, stopper and two power pack, the inflator sets up the inside in the main part, one side and the branch pipe intercommunication that is close to the sucking disc of inflator, the opposite side of inflator is equipped with the aperture, the piston sets up the inside at the inflator, the sealed sliding connection of inner wall of piston and inflator, the one end of gas pole is connected with one side that is close to the aperture of piston, the other end of gas pole passes the aperture and is connected with the stopper, drive assembly all is connected with the stopper with aerifing the subassembly, the other end and the power pack of gas pole are connected, and two power packs set up top and bottom in the main part respectively.

Preferably, in order to drive the air rod to move, the power unit comprises a power box, a power plate, a power rod and a hinge rod, one side of each power box is connected with the top and the bottom in the main body respectively, a through hole is formed in the other side of each power box, the power plate is arranged in the power box, the power plate is connected with the inner wall of the power box in a sealing and sliding mode, one end of the power rod is connected with one side, close to the through hole, of the power plate, the other end of the power rod penetrates through the through hole to be hinged to one end of the hinge rod, and the other end of the hinge rod is hinged to one end, far away from the piston, of the air rod.

Preferably, in order to realize the function of inflating the sucker, the inflation assembly comprises an inflation box, an inflation tube, a sealing plate, a connecting rod, a one-way bearing, a ball screw pair, a second bearing and a connecting shaft, the inflation box is arranged at the top in the main body, the exhaust pipe is communicated with the inflation box, the inflation box is communicated with the sucker through an inflation pipe, the sealing plate is abutted against the inner wall of one side of the inflating box close to the inflating tube, the other side of the inflating box is provided with a connecting hole, one end of the connecting shaft is connected with the sealing plate, the other end of the connecting shaft passes through the connecting hole to be connected with the outer ring of the one-way bearing, the connecting shaft is connected with the inner wall of the connecting hole in a sealing and sliding way, the second bearing is arranged inside the main body, two ends of a screw rod of the ball screw pair are respectively connected with an inner ring of the second bearing and an inner ring of the one-way bearing, and two ends of the connecting rod are respectively connected with a nut and a limiting block of the ball screw pair.

As preferred, in order to drive first gear revolve, drive assembly includes transmission shaft, second gear, driving disk, torsion spring, driving rope and two third bearings, the third bearing is established in the inside of main part, the both ends of transmission shaft are connected with the inner circle of two third bearings respectively, the second gear is connected with the transmission shaft, first gear and second gear meshing, the driving disk is connected with the transmission shaft, the one end of driving rope is convoluteed on the driving disk, the below of inflator is equipped with the fixed pulley, the fixed pulley is walked around to the other end of driving rope and is connected with the stopper, torsion spring's both ends are connected with the outer lane of one of them third bearing and the periphery of transmission shaft respectively.

The invention has the advantages that the temperature and humidity recorder for the refrigerating box can discharge the air in the sucker through the auxiliary mechanism, reduce the air pressure in the sucker, improve the effect that the sucker is adsorbed on the inner wall of the refrigerating box, avoid the phenomenon that the sucker leaks air due to the vibration of the refrigerating box when the refrigerating box is transported, improve the stability that the equipment is adsorbed on the inner wall of the refrigerating box, and have higher practicability, compared with the prior auxiliary mechanism, the auxiliary mechanism can realize the function that the equipment automatically falls off, avoid the damage of the sucker caused by the hard pulling of workers, reduce the times of maintaining the sucker, reduce the cost and have higher practicability, the aim of removing dust from the detection head is realized through the dust removing mechanism, the detection precision of the detection head is prevented from being influenced by the dust, thereby improving the measurement precision and the reliability of the equipment, compared with the prior dust removing mechanism, this dust removal mechanism and complementary unit link gear as an organic whole all need not the drive of electric power, has reduced the use of the energy for the energy-conservation of equipment obtains promoting, and the practicality is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the temperature and humidity recorder for a refrigerator according to the present invention;

FIG. 2 is a schematic view of the inflation assembly of the temperature and humidity recorder for a cooler of the present invention;

FIG. 3 is a view of a portion A of FIG. 1;

FIG. 4 is a schematic view of the dust removing mechanism of the temperature and humidity recorder for a refrigerator according to the present invention;

in the figure: 1. the main body comprises a display screen, a sucker, a branch pipe, a suction pipe, an elastic rope, a movable plate, a pull rod, a telescopic pipe, a pull plate, an exhaust pipe, an air charging box, an air charging pipe, a gas cylinder, a piston, a gas rod, a limiting block, a hinge rod, a power plate, a power box, a connecting rod, a ball screw pair, a one-way bearing, a connecting shaft, a sealing plate, a driving rope, a driving disc, a driving shaft, a torsion spring, a second gear, a first gear, a rotating shaft, a fan blade and a detection head, wherein the display screen is 2, the suction disc is 3, the branch pipe is 4, the suction pipe is 5, the elastic rope is 6, the movable plate is 7, the pull rod is 8, the telescopic pipe is 10, the pull plate is 11, the exhaust pipe is 12, the air charging box is 13, the air charging pipe is 14, the gas cylinder is 15, the piston is 16, the gas rod is 17, the limiting block, the hinge rod is 18, the hinge rod, the power rod is 19, the power rod, the power plate is 20, the power plate is 21, the power box is 21, the connecting shaft is 22, the connecting shaft, the ball screw pair is 25, the sealing plate is 26, the sealing plate, the driving rope is 27, the driving rope is 28, the driving disc is 30, the rotating shaft, and the detection head is used for driving shaft, and the rotating shaft is used for driving spring, and the driving shaft is used for driving shaft, and the detection head is used for detecting head.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a humiture recorder for a refrigerator comprises a main body 1, a detection head 35 and a display screen 2, wherein the display screen 2 is arranged on one side of the main body 1, the detection head 35 is arranged below the main body 1, a PLC is arranged inside the main body 1, and the humiture recorder further comprises an auxiliary mechanism and a dust removal mechanism, and the auxiliary mechanism is connected with the dust removal mechanism;

PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control.

This a humiture record appearance for fridge passes through complementary unit, make the air in the sucking disc 3 can be discharged, the atmospheric pressure in the sucking disc 3 has been reduced, promote the effect of sucking disc 3 absorption on the fridge inner wall, avoid sucking disc 3 to appear the phenomenon of gas leakage because of the vibrations of fridge when transporting the fridge, thereby can improve equipment absorption stability on the fridge inner wall, the practicality is higher, through dust removal mechanism, the purpose of removing dust for detecting head 35 has been realized, prevent that the dust from influencing the detection precision of detecting head 35, thereby the measuring precision has been improved, the reliability of equipment has been improved.

As shown in fig. 1-2, the auxiliary mechanism includes a suction cup 3, a branch pipe 4, a power assembly, an inflation assembly and an air exhaust assembly, an opening is formed in one side of the main body 1, which is far away from the display screen 2, the suction cup 3 is matched with the opening, the suction cup 3 is connected with the inner wall of the opening, one end of the branch pipe 4 is communicated with the suction cup 3, the other end of the branch pipe 4 is connected with the power assembly, the power assembly is connected with the inflation assembly, the inflation assembly is connected with the suction cup 3, the inflation assembly is connected with the air exhaust assembly, the air exhaust assembly is connected with the branch pipe 4, and the power assembly is connected with the dust removal mechanism;

the air extracting component comprises an air extracting pipe 5, a pulling plate 10, an expansion pipe 9, a pull rod 8, a movable plate 7, an elastic rope 6, an exhaust pipe 11 and a fixed block, a round hole is arranged above the main body 1, one end of the air extracting pipe 5 is communicated with the branch pipe 4, the other end of the air extracting pipe 5 is connected with the inner wall of the round hole, the movable plate 7 is arranged inside the air extracting pipe 5, the movable plate 7 is connected with the inner wall of the air extracting pipe 5 in a sealing and sliding manner, one end of the pull rod 8 is connected with the upper portion of the movable plate 7, the other end of the pull rod 8 is connected with the pulling plate 10, the expansion pipe 9 is sleeved on the air extracting pipe 5, two ends of the expansion pipe 9 are respectively connected with the lower portion of the pulling plate 10 and the upper portion of the main body 1, the fixed block is arranged below the movable plate 7 and connected with the inner wall of the air extracting pipe 5, two ends of the elastic rope 6 are respectively connected with the lower portion and the fixed block of the movable plate 7, one end of the exhaust pipe 11 is communicated with the exhaust pipe 5, the other end of the exhaust pipe 11 is connected with the inflation assembly, first one-way valves are arranged in the exhaust pipe 11 and the exhaust pipe 5, and the first one-way valves are electrically connected with the PLC;

when the equipment is required to be fixed on the inner wall of the refrigerating box, the suction cup 3 is abutted against the inner wall of the refrigerating box, then the pulling plate 10 is manually driven to move upwards, the moving plate 7 is enabled to move upwards, the elastic rope 6 is stretched, air in the suction cup 3 enters the air exhaust pipe 5 through the branch pipe 4, when the pulling plate 10 moves downwards, the moving plate 7 can be driven to move downwards under the action of the elastic rope 6, the air in the air exhaust pipe 5 enters the inflation assembly through the exhaust pipe 11, the air in the suction cup 3 can enter the inflation assembly through continuous up-and-down movement of the pulling plate 10, so that the air pressure in the suction cup 3 is reduced, the suction cup 3 is adsorbed on the inner wall of the refrigerating box, the convenience for installing the equipment is improved, the dustproof function is realized through the arrangement of the telescopic pipe 9, and dust in the air can not be adhered to the inner wall of the air exhaust pipe 5, the friction force of the movable plate 7 during moving is prevented from being increased, the movable plate 7 is prevented from being abraded, the phenomenon of air leakage is avoided from influencing the work of the air exhaust assembly, the reliability of the equipment is improved, when the refrigerator is transported, the temperature in the refrigerator is gradually reduced, the power assembly is driven to work, air in the sucker 3 can be exhausted, the air pressure in the sucker 3 is reduced, the effect that the sucker 3 is adsorbed on the inner wall of the refrigerator is improved, the phenomenon that the sucker 3 leaks air due to the vibration of the refrigerator during transporting the refrigerator is avoided, the stability that the equipment is adsorbed on the inner wall of the refrigerator can be improved, the practicability is higher, when the equipment is not needed to be used, only the temperature inside the main body 1 needs to be changed a little, the outside air enters the inside of the refrigerator, the temperature in the refrigerator is increased, and the power assembly is driven to work through the principle of thermal expansion and cold contraction, make inflation assembly work to be convenient for can lead back the inside of sucking disc 3 again with the air in the inflation assembly, thereby increased the atmospheric pressure in the sucking disc 3, make sucking disc 3 no longer adsorb on the inner wall of fridge, thereby realize the automatic function that drops of equipment, avoid the staff to pull out hard and cause sucking disc 3's damage, thereby can reduce the number of times of maintaining sucking disc 3, the cost is reduced, the practicality is higher.

As shown in fig. 3-4, the dust removing mechanism comprises a transmission assembly and two rotating assemblies, the transmission assembly is connected with the rotating assemblies, and the transmission assembly is connected with the power assembly;

the runner assembly includes first bearing, pivot 33, first gear 32 and a plurality of fan blade 34, the below of main part 1 is equipped with two notches, and two runner assemblies set up respectively in two notches, the top in notch is equipped with the perforation, the outer lane of two first bearings respectively with two fenestrate interior wall connections, the one end and the first gear 32 of pivot 33 are connected, first gear 32 is connected with drive assembly, the other end of pivot 33 passes the perforation and sets up in the inside of notch, and each fan blade 34 circumference evenly sets up on the other end of pivot 33, fan blade 34 sets up the inside at the notch, the periphery of pivot 33 and the inner circle of first bearing are connected.

When the temperature in the fridge changes, can drive power component work, make transmission assembly work, thereby drive first gear 32 and rotate, make pivot 33 rotate, thereby make fan blade 34 rotate, carry out the work of stirring to the air around detecting head 35, thereby the circulation speed of the air around detecting head 35 has been accelerated, under the effect of air current, can take the dust attached to detecting head 35 away from detecting head 35, prevent that the dust from influencing the detection precision that detects head 35, thereby the measuring precision has been improved, the reliability of equipment has been improved.

Preferably, in order to realize the function of pumping the suction cup 3, the power assembly comprises an air cylinder 14, a piston 15, an air lever 16, a limit block 17 and two power units, the air cylinder 14 is arranged inside the main body 1, one side of the air cylinder 14 close to the suction cup 3 is communicated with the branch pipe 4, the other side of the air cylinder 14 is provided with a small hole, the piston 15 is arranged inside the air cylinder 14, the piston 15 is in sealing sliding connection with the inner wall of the air cylinder 14, one end of the air lever 16 is connected with one side of the piston 15 close to the small hole, the other end of the air lever 16 penetrates through the small hole to be connected with the limit block 17, the transmission assembly and the inflation assembly are both connected with the limit block 17, the other end of the air lever 16 is connected with the power units, and the two power units are respectively arranged at the top and the bottom of the main body 1.

Preferably, in order to drive the air rod 16 to move, the power unit comprises power boxes 21, power plates 20, power rods 19 and hinge rods 18, wherein one sides of the two power boxes 21 are respectively connected with the top and the bottom in the main body 1, the other side of each power box 21 is provided with a through hole, the power plates 20 are arranged in the power boxes 21, the power plates 20 are connected with the inner walls of the power boxes 21 in a sealing and sliding manner, one end of each power rod 19 is connected with one side, close to the through hole, of each power plate 20, the other end of each power rod 19 penetrates through the through hole to be hinged with one end of each hinge rod 18, and the other end of each hinge rod 18 is hinged with one end, far away from the piston 15, of the air rod 16.

Preferably, in order to realize the function of inflating the suction cup 3, the inflation assembly includes an inflation box 12, an inflation tube 13, a sealing plate 26, a connecting rod 22, a one-way bearing 24, a ball screw pair 23, a second bearing and a connecting shaft 25, the inflation box 12 is arranged at the top of the main body 1, the exhaust tube 11 is communicated with the inflation box 12, the inflation box 12 is communicated with the suction cup 3 through the inflation tube 13, the sealing plate 26 abuts against the inner wall of one side of the inflation box 12 close to the inflation tube 13, the other side of the inflation box 12 is provided with a connecting hole, one end of the connecting shaft 25 is connected with the sealing plate 26, the other end of the connecting shaft 25 passes through the connecting hole to be connected with the outer ring of the one-way bearing 24, the connecting shaft 25 is connected with the inner wall of the connecting hole in a sealing and sliding manner, the second bearing is arranged inside the main body 1, two ends of a screw rod of the ball screw pair 23 are respectively connected with the inner ring of the second bearing and the inner ring of the one-way bearing 24, two ends of the connecting rod 22 are respectively connected with the nut of the ball screw pair 23 and the limiting block 17.

When the equipment is fixed on the inner wall of the refrigerating box, the suction cup 3 is abutted against the inner wall of the refrigerating box, after the equipment is placed for a period of time, the temperature of the equipment is gradually reduced, actually, gas with a larger thermal expansion coefficient is arranged in the power box 21, so that the gas on one side, away from the through hole, of the power plate 20 can be contracted when the temperature of the equipment is reduced, the power plate 20 can move towards the direction away from the through hole, the air rod 16 can be driven to move through the hinged rod 18, the piston 15 can move towards the direction away from the branch pipe 4, so that the air in the suction cup 3 can enter the inner part of the air cylinder 14, the air pressure in the suction cup 3 is reduced, the effect that the suction cup 3 is adsorbed on the inner wall of the refrigerating box is improved, the phenomenon that the suction cup 3 leaks air due to the vibration of the refrigerating box when the refrigerating box is transported is avoided, and the stability that the equipment is adsorbed on the inner wall of the refrigerating box is improved, the practicability is higher, when the limiting block 17 moves in the direction away from the air cylinder 14, the nut of the ball screw pair 23 can be driven to move through the connecting rod 22, the screw of the ball screw pair 23 is enabled to rotate, the connecting shaft 25 is enabled not to rotate through the action of the one-way bearing 24, the closing plate 26 is enabled not to rotate, so that the closing plate 26 shields the inflation tube 13, air in the inflation box 12 can not enter the inside of the suction cup 3 through the inflation tube 13, the adsorption effect of the suction cup 3 can not be affected, when the device is not needed, only the temperature inside the main body 1 needs to be changed a little, so that the outside air enters the inside of the refrigeration box, the temperature in the refrigeration box is increased, and therefore, through the principle of thermal expansion and cold contraction, the power plate 20 can move in the direction close to the through hole, the piston 15 moves in the direction close to the suction cup 3, so as to drive the screw of the ball screw pair 23 to rotate, through one-way bearing 24's effect, drive connecting axle 25 and rotate, make shrouding 26 intermittent type shelter from gas tube 13, when shrouding 26 rotates to the direction of keeping away from gas tube 13, gas tube 13 is no longer plugged up to shrouding 26, thereby be convenient for the air in the gas tube 12 can get into the inside of sucking disc 3 through gas tube 13, thereby the atmospheric pressure in sucking disc 3 has been increased, make sucking disc 3 no longer adsorb on the inner wall of fridge, thereby realize the automatic function that drops of equipment, avoid the staff to pull out hard and cause sucking disc 3's damage, thereby can reduce the number of times of maintaining sucking disc 3, the cost is reduced, the practicality is higher.

Preferably, in order to drive the first gear 32 to rotate, the transmission assembly includes a transmission shaft 29, a second gear 31, a transmission disc 28, a torsion spring 30, a transmission rope 27 and two third bearings, the third bearings are disposed inside the main body 1, two ends of the transmission shaft 29 are respectively connected with inner rings of the two third bearings, the second gear 31 is connected with the transmission shaft 29, the first gear 32 is engaged with the second gear 31, the transmission disc 28 is connected with the transmission shaft 29, one end of the transmission rope 27 is wound on the transmission disc 28, a fixed pulley is disposed below the inflator 14, the other end of the transmission rope 27 is connected with the limiting block 17 by bypassing the fixed pulley, and two ends of the torsion spring 30 are respectively connected with an outer ring of one of the third bearings and an outer periphery of the transmission shaft 29.

When the limit block 17 moves in a direction away from the air cylinder 14, the transmission disc 28 can be driven to rotate by the transmission rope 27, the transmission shaft 29 rotates, the torsion spring 30 deforms, when the limit block 17 moves in a direction close to the air cylinder 14, the transmission shaft 29 reversely rotates under the action of the restoring force of the torsion spring 30, the transmission rope 27 is wound, the function of back-and-forth rotation of the transmission shaft 29 is realized, the second gear 31 rotates back and forth, the first gear 32 can be driven to rotate back and forth by the meshing of the second gear 31 and the first gear 32, the rotating shaft 33 rotates back and forth, the fan blades 34 rotate, the air around the detection head 35 is stirred, the circulation speed of the air around the detection head 35 is increased, under the action of air flow, dust attached to the detection head 35 can be taken away from the detection head 35, and the detection precision of the detection head 35 is prevented from being influenced by the dust, therefore, the measurement precision is improved, and the reliability of the device is improved.

When the equipment is required to be fixed on the inner wall of the refrigerating box, the suction cup 3 is abutted against the inner wall of the refrigerating box, then the pulling plate 10 is manually driven to move upwards, the moving plate 7 is enabled to move upwards, the elastic rope 6 is stretched, air in the suction cup 3 enters the air exhaust pipe 5 through the branch pipe 4, when the pulling plate 10 moves downwards, the moving plate 7 can be driven to move downwards under the action of the elastic rope 6, the air in the air exhaust pipe 5 enters the inflation assembly through the exhaust pipe 11, the air in the suction cup 3 can enter the inflation assembly through continuous up-and-down movement of the pulling plate 10, so that the air pressure in the suction cup 3 is reduced, the suction cup 3 is adsorbed on the inner wall of the refrigerating box, the convenience for installing the equipment is improved, the dustproof function is realized through the arrangement of the telescopic pipe 9, and dust in the air can not be adhered to the inner wall of the air exhaust pipe 5, the friction force of the movable plate 7 during moving is prevented from being increased, the movable plate 7 is prevented from being abraded, the phenomenon of air leakage is avoided from influencing the work of the air exhaust assembly, the reliability of the equipment is improved, when the refrigerator is transported, the temperature in the refrigerator is gradually reduced, the power assembly is driven to work, air in the sucker 3 can be exhausted, the air pressure in the sucker 3 is reduced, the effect that the sucker 3 is adsorbed on the inner wall of the refrigerator is improved, the phenomenon that the sucker 3 leaks air due to the vibration of the refrigerator during transporting the refrigerator is avoided, the stability that the equipment is adsorbed on the inner wall of the refrigerator can be improved, the practicability is higher, when the equipment is not needed to be used, only the temperature inside the main body 1 needs to be changed a little, the outside air enters the inside of the refrigerator, the temperature in the refrigerator is increased, and the power assembly is driven to work through the principle of thermal expansion and cold contraction, make inflation assembly work to be convenient for can lead back the inside of sucking disc 3 again with the air in the inflation assembly, thereby increased the atmospheric pressure in the sucking disc 3, make sucking disc 3 no longer adsorb on the inner wall of fridge, thereby realize the automatic function that drops of equipment, avoid the staff to pull out hard and cause sucking disc 3's damage, thereby can reduce the number of times of maintaining sucking disc 3, the cost is reduced, the practicality is higher. When the temperature in the fridge changes, can drive power component work, make transmission assembly work, thereby drive first gear 32 and rotate, make pivot 33 rotate, thereby make fan blade 34 rotate, carry out the work of stirring to the air around detecting head 35, thereby the circulation speed of the air around detecting head 35 has been accelerated, under the effect of air current, can take the dust attached to detecting head 35 away from detecting head 35, prevent that the dust from influencing the detection precision that detects head 35, thereby the measuring precision has been improved, the reliability of equipment has been improved.

Compared with the prior art, the humiture recorder for the refrigerating box has the advantages that the air in the sucker 3 can be discharged through the auxiliary mechanism, the air pressure in the sucker 3 is reduced, the effect that the sucker 3 is adsorbed on the inner wall of the refrigerating box is improved, the phenomenon that the sucker 3 leaks air due to the vibration of the refrigerating box when the refrigerating box is transported is avoided, the stability that the equipment is adsorbed on the inner wall of the refrigerating box can be improved, the practicability is higher, compared with the prior auxiliary mechanism, the auxiliary mechanism can realize the function that the equipment automatically falls off, the damage of the sucker 3 caused by the hard pulling of workers is avoided, the times for maintaining the sucker 3 can be reduced, the cost is reduced, the practicability is higher, the purpose of removing dust for the detection head 35 is realized through the dust removing mechanism, the dust is prevented from influencing the detection precision of the detection head 35, the measurement precision is improved, and the reliability of the equipment is improved, compared with the existing dust removal mechanism, the dust removal mechanism and the auxiliary mechanism are integrated into a whole, the driving of electric power is not needed, the use of energy is reduced, the energy conservation of the equipment is improved, and the practicability is higher.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A humiture recorder for a refrigerating box comprises a main body (1), a detection head (35) and a display screen (2), wherein the display screen (2) is arranged on one side of the main body (1), the detection head (35) is arranged below the main body (1), and a PLC is arranged in the main body (1), and the humiture recorder is characterized by further comprising an auxiliary mechanism and a dust removal mechanism, wherein the auxiliary mechanism is connected with the dust removal mechanism;

the auxiliary mechanism comprises a sucker (3), a branch pipe (4), a power assembly, an inflation assembly and an air exhaust assembly, wherein an opening is formed in one side, far away from the display screen (2), of the main body (1), the sucker (3) is matched with the opening, the sucker (3) is connected with the inner wall of the opening, one end of the branch pipe (4) is communicated with the sucker (3), the other end of the branch pipe (4) is connected with the power assembly, the power assembly is connected with the inflation assembly, the inflation assembly is connected with the sucker (3), the inflation assembly is connected with the air exhaust assembly, the air exhaust assembly is connected with the branch pipe (4), and the power assembly is connected with the dust removal mechanism;

the air extraction assembly comprises an air extraction pipe (5), a pulling plate (10), an extension pipe (9), a pull rod (8), a movable plate (7), an elastic rope (6), an exhaust pipe (11) and a fixed block, a round hole is formed above the main body (1), one end of the air extraction pipe (5) is communicated with the branch pipe (4), the other end of the air extraction pipe (5) is connected with the inner wall of the round hole, the movable plate (7) is arranged inside the air extraction pipe (5), the movable plate (7) is connected with the inner wall of the air extraction pipe (5) in a sealing and sliding mode, one end of the pull rod (8) is connected with the upper portion of the movable plate (7), the other end of the pull rod (8) is connected with the pulling plate (10), the extension pipe (9) is sleeved on the air extraction pipe (5), and two ends of the extension pipe (9) are respectively connected with the lower portion of the pulling plate (10) and the upper portion of the main body (1), the fixed block is arranged below the moving plate (7), the fixed block is connected with the inner wall of the air exhaust pipe (5), two ends of the elastic rope (6) are respectively connected with the lower part of the moving plate (7) and the fixed block, one end of the exhaust pipe (11) is communicated with the air exhaust pipe (5), the other end of the exhaust pipe (11) is connected with the air inflation assembly, first one-way valves are arranged in the exhaust pipe (11) and the air exhaust pipe (5), and the first one-way valves are electrically connected with the PLC;

the rotating assembly comprises a first bearing, a rotating shaft (33), a first gear (32) and a plurality of fan blades (34), two notches are arranged below the main body (1), the two rotating assemblies are arranged in the two notches respectively, the tops of the notches are provided with through holes, the outer rings of the two first bearings are connected with the inner walls of the two through holes respectively, one end of the rotating shaft (33) is connected with the first gear (32), the first gear (32) is connected with the transmission assembly, the other end of the rotating shaft (33) penetrates through the through holes to be arranged in the notches, the circumferential directions of the fan blades (34) are uniformly arranged at the other end of the rotating shaft (33), the fan blades (34) are arranged in the notches, and the periphery of the rotating shaft (33) is connected with the inner rings of the first bearings.

2. The humiture recorder for the refrigerator as claimed in claim 1, wherein said power assembly comprises an air cylinder (14), a piston (15), an air lever (16), a stop block (17) and two power units, said air cylinder (14) is disposed inside the main body (1), one side of said air cylinder (14) near the suction cup (3) is connected with the branch pipe (4), another side of said air cylinder (14) is provided with a small hole, said piston (15) is disposed inside the air cylinder (14), said piston (15) is connected with the inner wall of the air cylinder (14) in a sealing and sliding manner, one end of said air lever (16) is connected with one side of the piston (15) near the small hole, another end of said air lever (16) passes through the small hole to be connected with the stop block (17), said transmission assembly and air charging assembly are both connected with the stop block (17), another end of said air lever (16) is connected with the power unit, the two power units are respectively arranged at the top and the bottom in the main body (1).

3. The humiture recorder for the refrigerating box as claimed in claim 2, wherein said power unit comprises power boxes (21), power plates (20), power rods (19) and hinge rods (18), one side of each of the two power boxes (21) is connected with the top and the bottom of the inside of the main body (1), the other side of the power box (21) is provided with a through hole, the power plates (20) are arranged inside the power boxes (21), the power plates (20) are connected with the inner walls of the power boxes (21) in a sealing and sliding manner, one end of each of the power rods (19) is connected with one side of each of the power plates (20) close to the through hole, the other end of each of the power rods (19) passes through the through hole to be hinged with one end of the hinge rod (18), and the other end of the hinge rod (18) is hinged with one end of the air rod (16) far away from the piston (15).

4. The humiture recorder for refrigerator as claimed in claim 2, wherein said inflating assembly comprises an inflating box (12), an inflating tube (13), a sealing plate (26), a connecting rod (22), a one-way bearing (24), a ball screw pair (23), a second bearing and a connecting shaft (25), said inflating box (12) is disposed at the top of the main body (1), said exhausting tube (11) is connected to the inflating box (12), said inflating box (12) is connected to the suction cup (3) through the inflating tube (13), said sealing plate (26) is abutted against the inner wall of the side of the inflating box (12) close to the inflating tube (13), said another side of the inflating box (12) is provided with a connecting hole, one end of said connecting shaft (25) is connected to the sealing plate (26), the other end of said connecting shaft (25) is connected to the outer ring of the one-way bearing (24) through the connecting hole, the connecting shaft (25) is connected with the inner wall of the connecting hole in a sealing and sliding mode, the second bearing is arranged inside the main body (1), two ends of a screw rod of the ball screw pair (23) are connected with an inner ring of the second bearing and an inner ring of the one-way bearing (24) respectively, and two ends of the connecting rod (22) are connected with a nut of the ball screw pair (23) and the limiting block (17) respectively.

5. The humiture recorder for refrigerator as set forth in claim 2, wherein said driving assembly includes a driving shaft (29), a second gear (31), a driving disc (28), a torsion spring (30), a driving rope (27) and two third bearings, the third bearings are arranged inside the main body (1), two ends of the transmission shaft (29) are respectively connected with the inner rings of the two third bearings, the second gear (31) is connected with the transmission shaft (29), the first gear (32) is meshed with the second gear (31), the transmission disc (28) is connected with a transmission shaft (29), one end of the transmission rope (27) is wound on the transmission disc (28), a fixed pulley is arranged below the inflator (14), the other end of the transmission rope (27) is connected with the limit block (17) by passing around the fixed pulley, and two ends of the torsion spring (30) are respectively connected with the outer ring of one of the third bearings and the periphery of the transmission shaft (29).